Toothbrush



FIG. 1 is a front perspective view of a toothbrush;

FIG. 2 is a back perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line adjacent the surface shading in FIGS. 1-5 represents thebounds of the claim and forms no part thereof. The broken line showingof a handle illustrates a portion of the toothbrush that forms no partof the claimed design.

CLAIM The ornamental design for a toothbrush, as shown and described.